The men entered the Sunoco gas station at 406 Mantua Ave., Route 45, at 4:15 a.m. May 23. One had a shotgun, pointed it at the clerk and forced him to his knees, police said. The trio then hit the clerk on the head with their hands, said police.

The robbers fled on foot with $600, police said.

Anyone who recognizes the men, or has information about the holdup, is urged to call Woodbury's detective division at 856-845-0064.